Method for producing a component of a sliding bearing, and component, sliding bearing and transmission of a wind turbine

Abstract

A method for producing a component of a sliding bearing includes a) providing a metal bolt with a cylindrical lateral surface and two end faces; b) coating the lateral surface of the bolt with a soldering flux or material; c) providing a metal sheet made of bronze and forming it into a cylindrical sleeve having a longitudinal slot, a first side of the metal sheet forming an inside is coated with a solder material or flux before or after the forming process, the lateral surface of the bolt or the inside of the sleeve having soldering flux; d) sliding the sleeve onto the lateral surface of the bolt; and e) bonding the lateral surface and sleeve soldering. A sliding bearing produced by the method includes the component in a bore of a planetary wheel, and a second side of the metal sheet and planetary wheel are in direct sliding contact.

The invention claimed is: 
     
       1. A method for producing a component of a sliding bearing, comprising the following steps:
 a) providing a metal bolt with a cylindrical lateral surface and two end faces; 
 b) coating the cylindrical lateral surface of the bolt with a soldering flux or a solder material; 
 c) providing a metal sheet made of bronze and forming the metal sheet into a cylindrical sleeve having a longitudinal slot, wherein a first side of the metal sheet forming an inside of the sleeve is coated with a solder material or a soldering flux before or after the forming process, either the lateral surface of the bolt or the inside of the sleeve having the soldering flux; 
 d) sliding the sleeve onto the lateral surface of the bolt; 
 e) integrally bonding the lateral surface and the sleeve by soldering to form a solder layer between the cylindrical lateral surface of the metal bolt and the sleeve; and 
 f) closing the longitudinal slot of the sleeve by welding. 
 
     
     
       2. The method according to  claim 1 , wherein the solder material comprises silver. 
     
     
       3. The method according to  claim 1 , wherein the solder material is applied in a layer thickness in a range of up to 160 μm. 
     
     
       4. The method according to  claim 1 , wherein the solder material is applied by thermal spraying. 
     
     
       5. The method according to  claim 1 , wherein the sleeve is pressed against the bolt during the soldering. 
     
     
       6. The method according to  claim 1 , wherein the sleeve is inductively heated during the soldering. 
     
     
       7. The method according to  claim 1 , wherein the metal sheet has a sheet thickness in a range of from 0.1 to 10 mm. 
     
     
       8. The method according to  claim 1 , further comprising machining a second side of the metal sheet facing away from the bolt. 
     
     
       9. A component of a sliding bearing produced by the method according to  claim 1 . 
     
     
       10. An assembly, comprising:
 a sliding bearing comprising:
 a component including a metal bolt with a cylindrical lateral surface and two end faces, and 
 a cylindrical sleeve formed of a metal sheet made of bronze and having a longitudinal slot located on the metal bolt, 
 wherein one of a first side of the metal sheet forming an inside of the sleeve or the cylindrical lateral surface is coated with a solder material and the other of the first side of the metal sheet forming an inside of the sleeve or the cylindrical lateral surface is coated with a soldering flux prior to sliding the cylindrical lateral sleeve onto the bolt and integrally bonding the cylindrical lateral surface and the sleeve by soldering to form a solder layer between the cylindrical lateral surface of the metal bolt and the sleeve, and wherein the longitudinal slot of the sleeve is closed by welding; 
 
 a planetary wheel with a bore, wherein the component is accommodated centrally in the bore; and 
 a second side of the metal sheet and the planetary wheel in a region of the bore are arranged in direct sliding contact. 
 
     
     
       11. The assembly of  claim 10 , wherein the second side of the metal sheet facing away from the bolt is machined. 
     
     
       12. The assembly of  claim 10 , wherein the solder material comprises silver. 
     
     
       13. The assembly of  claim 10 , wherein the solder material has a layer thickness in a range of up to 160 μm. 
     
     
       14. The assembly of  claim 10 , wherein the metal sheet has a sheet thickness in a range of from 0.1 to 10 mm. 
     
     
       15. The assembly of  claim 10 , wherein the longitudinal slot of the sleeve is closed by laser welding. 
     
     
       16. The assembly of  claim 10 , wherein the longitudinal slot extends parallel to a central axis of the cylindrical sleeve. 
     
     
       17. An assembly, comprising:
 a sliding bearing comprising:
 a component including a metal bolt with a cylindrical lateral surface and two end faces; and 
 a cylindrical sleeve formed of a metal sheet made of bronze and having a longitudinal slot located on the metal bolt, wherein the longitudinal slot extends parallel to a central axis of the cylindrical sleeve; 
 wherein one of a first side of the metal sheet forming an inside of the sleeve or the cylindrical lateral surface is coated with a solder material and the other of the first side of the metal sheet forming an inside of the sleeve or the cylindrical lateral surface is coated with a soldering flux prior to sliding the cylindrical lateral sleeve onto the bolt and integrally bonding the cylindrical lateral surface and the sleeve by soldering to form a solder layer between the cylindrical lateral surface of the metal bolt and the sleeve; 
 
 a planetary wheel with a bore, wherein the component is accommodated centrally in the bore; and 
 a second side of the metal sheet and the planetary wheel in a region of the bore are arranged in direct sliding contact.